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What is the role of indexing in a data warehouse?
What is the role of indexing in a data warehouse?
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Practice Questions
1 question
Q1
What is the role of indexing in a data warehouse?
To ensure data integrity
To speed up query performance
To normalize data
To manage user access
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Indexing in a data warehouse is used to speed up query performance by allowing faster data retrieval.
Questions & Step-by-step Solutions
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Q
Q: What is the role of indexing in a data warehouse?
Solution:
Indexing in a data warehouse is used to speed up query performance by allowing faster data retrieval.
Steps: 6
Show Steps
Step 1: Understand that a data warehouse stores a large amount of data.
Step 2: Know that users often need to search or retrieve specific data from this large dataset.
Step 3: Realize that searching through all the data can take a long time without help.
Step 4: Learn that indexing is like creating a shortcut or a map to find data quickly.
Step 5: Understand that when you index data, it organizes it in a way that makes searching faster.
Step 6: Conclude that indexing improves the performance of queries, allowing users to get results more quickly.
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